/* 用双伪元素清除浮动 */
.clearfix:before,
.clearfix:after {
  content: "";
  display: table;
}
.clearfix:after {
  clear: both;
}
.clearfix {
  *zoom: 1;
}
body {
  min-width: 982px;
  background: #f5f5f5;
}
.icon {
  width: 1em;
  height: 1em;
  vertical-align: -0.15em;
  fill: currentColor;
  overflow: hidden;
}

/* 将所有内边距清零 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* 去掉li前面的小原点 */
li {
  list-style: none;
}

div,
span {
  display: block;
}

em,
i {
  font-style: normal;
}

body,
textarea,
select,
input,
button,
a,
label {
  text-decoration: none;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  color: #333;
}
